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III: Rsstore the 'brakelights' dummy as it's vanished from the III PC code

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Silent 2024-10-21 21:47:44 +02:00
parent 8e258b0ac5
commit fd4fbbacef
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1 changed files with 61 additions and 0 deletions
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61
SilentPatchIII/SilentPatchIII.cpp
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@ -1071,6 +1071,34 @@ namespace SlidingTextsScalingFixes
};
}
// ============= Rsstore the 'brakelights' dummy as it's vanished from the III PC code =============
namespace BrakelightsDummy
{
struct RwObjectNameIdAssocation
{
const char* pName;
int32_t hierId;
uint32_t flags;
};
// This vector is "null terminated" with an empty entry
std::vector<RwObjectNameIdAssocation> carIds;
static CVector* (__thiscall* orgVectorCtor)(CVector* pThis, const CVector* vec);
static CVector* __fastcall VectorCtor_Brakelights(CVector* pThis, void*, const char* vec)
{
// We are given a pointer to CAR_POS_TAILLIGHTS (ID 1), but we want CAR_POS_BRAKELIGHTS (ID 4), synthesise one
const CVector* brakeLights = reinterpret_cast<const CVector*>(vec + 3*sizeof(CVector));
// If all 3 components are 0.0, assume it's a modded vehicle and fall back to the stock dummy
if (brakeLights->x == 0.0f && brakeLights->y == 0.0f && brakeLights->z == 0.0f)
{
brakeLights = reinterpret_cast<const CVector*>(vec);
}
return orgVectorCtor(pThis, brakeLights);
}
}
namespace ModelIndicesReadyHook
{
static void (*orgInitialiseObjectData)(const char*);
@ -1432,6 +1460,39 @@ void InjectDelayedPatches_III_Common( bool bHasDebugMenu, const wchar_t* wcModul
TXN_CATCH();
// Rsstore the 'brakelights' dummy as it's vanished from the III PC code
try
{
using namespace BrakelightsDummy;
auto preRenderBrakeLightsPos = get_pattern("50 E8 ? ? ? ? 8D 84 24 ? ? ? ? 8D 55 04", 1);
// Only patch the hierarchy if no other mod does it
RwObjectNameIdAssocation** vehicleDescs = *get_pattern<RwObjectNameIdAssocation**>("89 D9 8B 04 95 ? ? ? ? 50 E8 ? ? ? ? 89 D9", 2 + 3);
if (ModCompat::Utils::GetModuleHandleFromAddress(vehicleDescs) == hGameModule)
{
RwObjectNameIdAssocation* orgCarIds = vehicleDescs[0];
if (ModCompat::Utils::GetModuleHandleFromAddress(orgCarIds) == hGameModule)
{
// Copy the original hierarchy, then add ours
while (orgCarIds->pName != nullptr)
{
carIds.push_back(*orgCarIds++);
}
// Add ours, then null terminate
carIds.push_back({ "brakelights", 4, 9 });
carIds.push_back({});
Patch(&vehicleDescs[0], carIds.data());
InterceptCall(preRenderBrakeLightsPos, orgVectorCtor, VectorCtor_Brakelights);
}
}
}
TXN_CATCH();
FLAUtils::Init(moduleList);
}